Icona Pop consider "I Love It" a kiss-off to their boyfriends. "We just wanted to get the song out and get the pigs to hear it," group member Jawo said.
When Keith Urban played "Somebody Like You" for his girlfriend, she called him a hypocrite because he "sucked at relationships."
The You Me at Six song "The Dilemma" got its title from the Vince Vaughn movie of the same name.
Katy Perry co-wrote Iggy Azalea's hit single "Black Widow." Perry was originally going to sing on the track, but she couldn't fit it into her schedule, so Rita Ora provided the sung vocals instead.
"The Battle of Evermore" is the only song Zeppelin ever recorded with a guest vocalist. It features Sandy Denny from Fairport Convention duetting with Robert Plant.
Janet Jackson wrote the lyric to "Nasty" in response to random guys calling her "baby."
Whether he's splitting ears or burning Nazis, Quentin Tarantino uses memorable music in his films. See if you can match the song to the scene.
How a goofy detective movie, a disenchanted director and an unlikely songwriter led to one of the biggest hits in pop history.
The Brazilian rocker sees pictures in his riffs. When he came up with one of his gnarliest songs, there was a riot going on.
What are the biggest US hits with French, Spanish (not "Rico Suave"), Italian, Scottish, Greek, and Japanese titles?
Here's what happens when an opening act is really out of place with the headliner, like when Beastie Boys opened for Madonna.
The king of Christian worship music explains talks about writing songs for troubled times.